Thanos (Josh Brolin) has made his plans clear. Half the universe has to go. (Marvel Studios)

ALL HAIL Thanos. Superhero cinema has a new king.

Disney/Marvel’s “Avengers: Infinity War,” which introduces reigning baddie Thanos (Josh Brolin) in full, is the biggest superhero movie ever, before adjusting for inflation.

Boosted by a massive $200 million opening in China, according to industry estimates, “Infinity War” has now grossed $1.6 billion worldwide, topping 2012’s “The Avengers” ($1.52 billion).

Together, the three “Avengers” films have grossed more than $4.5 billion globally, and each rank among the top eight box-office earners ever (not adjusting for inflation). The fourth “Avengers” film is due out next year.

“Infinity War” is now poised to pass 2015’s “Jurassic World” ($1.67 billion) and take a real run at joining “Avatar,” “Titanic” and “Star Wars: The Force Awakens” as the only movies to cross the $2 billion mark.

“Infinity War,” with $1.06 billion overseas, is also the first superhero film to gross more than $1 billion overseas.

Domestically, “Infinity War” grossed $61.8 million last weekend, according to studio estimates Sunday, to win its third straight weekend.

In the race for top domestic superhero movie, “Infinity War” ($547.8 million) still has a ways to go to top Disney/Marvel’s “Black Panther” ($696.2 million). (Note: The biggest superhero film when adjusting for inflation is “The Avengers,” which with $704.2 million retains a slim lead over “Black Panther,” according to Box Office Mojo’s calculations. Worldwide adjustments are more difficult given the many currencies.)

“Infinity War’s” run of weekend titles should end this weekend, when “Deadpool 2” opens. The sequel is expected to have a domestic opening north of $150 million.

Either way, Brolin emerges the victor; besides playing Thanos, he also plays the antagonist Cable in the “Deadpool” sequel.

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